/***************************************************************************
 *            points.h
 *
 *  Mon Aug 25 16:13:46 2008
 *  Copyright  2008  Tiago Falcão
 *  <tiago@tiagofalcao.com>
 ****************************************************************************/

/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Library General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor Boston, MA 02110-1301,  USA
 */
 
#ifndef POINTS_H
#define POINTS_H

#include <math.h>

#define M_PI_8 0.39269908169872414
#define M_PI_16 0.19634954084936207

// Ponto/Vetor Cartesiano
typedef struct point_cart{
	float x,y,z;
	} point_cart;
	
// Ponto/Vetor Esferico
typedef struct point_esf{
	float r,theta,phi;
	} point_esf;
	
//Conversao de Coordenada 
point_cart point_esf2cart(point_esf esf);

//Coordenadas Esfericas
void point_esf_add_r(point_esf* esf,float value);

#endif /* POINTS_H */

